Mkhitaryan went from provider to scorer 11 minutes later, turning home Alex Iwobi's deflected cross with a composed finish into the near corner from the right.

Southampton continued to cause Arsenal problems in the early exchanges, and nearly equalised through Matt Targett who tested Leno with a fierce drive, but the German goalkeeper was equal to the effort as he parried the shot away. They made four changes in total, including starts for Aaron Ramsey and Sokratis. Matt Targett also replaced Ryan Bertrand, who similarly was relegated to the bench.

The Gunners doubled their lead in the 17th minute when Mkhitaryan added the finishing touches to another Iwobi cross. The season is not done, we still have lots of games to play.

The sense at the time was that the Gunners' unbeaten streak masked obvious limitations, particularly in defence, and a loss had been coming - a view supported by the six defeats that followed in their next 14 matches.

Staying there and winning the Europa League are Arsenal's two main priorities between now and the end of the season.

Kvitova, Halep breeze into quarters in windy DubaiHalep came through a 6-3, 7-5 victory over Lesia Tsurenko , winning the first set easily , despite there being six service breaks. It was her second successive three-set match after she struggled to beat compatriot Katerina Siniakova 6-7, 6-3, 6-4.

Southampton have lost seven of their last nine Premier League away trips to London (W1 D1) and are winless in the last four (D1 L3).

Alexandre Lacazette has scored against 18 of the 22 Premier League teams he has faced with Arsenal.

The Nigeria worldwide made his first team debut three-and-a-half years ago under Arsene Wenger but is still to cement a place as a regular starter with his occasionally erratic end product a source of frustration for some Arsenal fans.

Emery said: 'We have a lot of matches and it's important to have big performances like this'.

The Nigerian delivered a cross for Mkhitaryan, whose wild effort was steered goalwards by a smart back-flick from Lacazette. Here are the player ratings from the 5-1 win.

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